Update Docker.Windows to 1.20.5

saikat-royc · k8s-infra-cherrypick-robot · commit 60703e7311c9 · 2023-06-23T16:56:55.000Z
diff --git a/Dockerfile.Windows b/Dockerfile.Windows
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 ARG BASE_IMAGE
-FROM --platform=$BUILDPLATFORM golang:1.19.6 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.20.5 AS builder
 
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM
